Home / 36,151.86-49,880.09-20,834.66

Finding the Fourth Proportional to 36,151.86, 49,880.09 and 20,834.66

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Solution

The fourth proportional to 36,151.86, 49,880.09 and 20,834.66 is: 28,746.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,151.86 : 49,880.09 = 20,834.66 : x
  2. Step 2: Convert to fraction form
    36,151.86/49,880.09 = 20,834.66/x
  3. Step 3: Cross multiply
    36,151.86x = 49,880.09 × 20,834.66
  4. Step 4: Simplify right side
    36,151.86x = 1,039,234,362.35
  5. Step 5: Solve for x
    x = 1,039,234,362.35/36,151.86
  6. Step 6: Final answer
    x = 28,746.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.